The seventh annual 50-mile Motorcycle Ride for Life is held Sept. 14 starting at FSCJ’s North Campus, 4501 Capper Road, ending at the downtown campus parking lot near Laura Street; register at maddadsrideforlife.eventbrite.com or call 534-9493.

The new exhibit, "Great Balls of Fire: Comets, Asteroids and Meteors," opens 10 a.m.-4 p.m. Sept. 14 with a day of special activities and continues through Dec. 31 at Museum of Science & History, 1025 Museum Circle, Southbank, 396-6674, themosh.org.

ROLLIN’ ON THE RIVER

The 27th annual car and truck show is held 8 a.m.-2 p.m. Sept. 14 at The Jacksonville Landing, 2 Independent Drive, Downtown. Hundreds of cars of all makes, models and years are on display and DJ Lon Greenwood, prizes, raffles, a 50/50 drawing and Ronald McDonald himself are featured. Registration is $30. Admission is free; proceeds benefit local Ronald McDonald House Charities, 268-6684, carcouncil.org.

Flagler College marks the 125th anniversary of former Hotel Ponce de Leon with its series, “The Hotel Ponce de Leon Deconstructed: Building the Future for Modern America.” Professor Catherine McFarland discusses "The Aesthetic Movement in America," 10 a.m. Sept. 17 in Flagler College's Flagler Room, 74 King St., St. Augustine; $5 for a single lecture; $15 for four; reservations required; 819-6282.

Brenda Star Walker leads the group 11 a.m.-noon on the first Sun. each month at Memorial Park, 1620 Riverside Ave., Riverside. Bring a ground cover. Practice suitable for all ages and abilities.

NATURE, SPORTS & OUTDOORS

LIONS GOLF TOURNAMENT

Check in for the inaugural tourney is 8:30 a.m., shotgun start 9 a.m. Sept. 14 at St. Augustine Shores Golf Club, 707 Shores Blvd., St. Augustine. Prizes, a putting contest and a barbecue lunch follow the tournament. Tickets are $45 per player (teams of four) and include lunch. Proceeds benefit the Florida School for the Deaf and the Blind and other Ancient City Lions Club charities; 501-3220.